Home / 39,536.51-54,561.06-21,633.08

Finding the Fourth Proportional to 39,536.51, 54,561.06 and 21,633.08

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Solution

The fourth proportional to 39,536.51, 54,561.06 and 21,633.08 is: 29,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,536.51 : 54,561.06 = 21,633.08 : x
  2. Step 2: Convert to fraction form
    39,536.51/54,561.06 = 21,633.08/x
  3. Step 3: Cross multiply
    39,536.51x = 54,561.06 × 21,633.08
  4. Step 4: Simplify right side
    39,536.51x = 1,180,323,503.06
  5. Step 5: Solve for x
    x = 1,180,323,503.06/39,536.51
  6. Step 6: Final answer
    x = 29,854.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.